The reason you have no friends
Kevin: What's so funny guys?
Carl: It's an inside joke you won't get it.
A joke that only a certain group of people will understand based on an experience the group had.
Person 1: Remember when…
Person 2: Shiiit I remember haha.
Person 3: What the fuck are you guys talking about?
Person 1: You weren’t there to see it, it’s an inside joke.
Person 3: Fuck well don’t I look dumb.
And inside joke is something that Urban Dictionary doesn't allow in their definitions.
Urban dictionary: "Don't name your friends. We'll reject inside jokes and definitions naming non-celebrities."
Me: "Ok."
A joke that only a select group of people will get unless it is explained to someone else.
Guy 1: “Hey Susie! Fish without meat!” *laughs*
Guy 2: “What?”
Guy 1: “It’s an inside joke between us”
A joke that is a very bad joke to everyone except you and your ex, so you have no one to enjoy it with :(
The inside joke I had with Cheryl was quite funny. I miss Cheryl. :(
When you have so many inside jokes with someone you can't keep track
Liberty and I have so many inside jokes including "omg im so popular"i can't keep track of all of them